Rank Nation Number of billionaires Population People/Billionaire (rounded)
1 Germany 54 82,210,000 1,522,407
2 Russia 32 141,950,000 4,404,687
3 UK 27 60,587,300 2,243,974
4 Turkey 13 71,517,100 5,501,315
5 Italy 12 59,337,888 4,944,824
6 Spain 12 46,157,822 3,846,485
7 France 10 64,473,140 6,447,314
8 Sweden 9 9,234,209 1,026,015
According to this, about one in a million Swedes is a billionaire, a ratio better than anywhere else in Europe.Sources:
http://en.wikipedia.org/wiki/List_of_countries_by_the_number...
http://en.wikipedia.org/wiki/List_of_European_countries_by_p...
Edit: For comparison, I calculated the ratio for the USA (population 306,798,000, billionaires 859, according to the Wikipedia), and found that about one in 357,147 US citizens is a billionaire. So while it's appearantly relatively easy to become a billionaire in Sweden compared to the other European countries, it seems to be even easier in the US. I guess that means you're about half right...